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Finding the Fourth Proportional to 63,520.53, 87,644.31 and 36,657.33

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Solution

The fourth proportional to 63,520.53, 87,644.31 and 36,657.33 is: 50,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,520.53 : 87,644.31 = 36,657.33 : x
  2. Step 2: Convert to fraction form
    63,520.53/87,644.31 = 36,657.33/x
  3. Step 3: Cross multiply
    63,520.53x = 87,644.31 × 36,657.33
  4. Step 4: Simplify right side
    63,520.53x = 3,212,806,394.29
  5. Step 5: Solve for x
    x = 3,212,806,394.29/63,520.53
  6. Step 6: Final answer
    x = 50,579.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.